How to boot from a web server

gPXE can boot from a web server just as easily as from a TFTP server. Web servers typically scale better than TFTP servers, and don't suffer from the file size limitations and other problems that plague TFTP booting.

How to boot using a gPXE script

How to boot from SAN

Boot from SAN is the process of booting from a remote disk, using a protocol such as iSCSI or AoE. It can be used to boot operating systems that do not generally support network booting, such as Windows Server 2003, Windows XP or Windows Vista.